>On Thu, Mar 23, 2023 at 05:37:52PM +0800, gouhao@xxxxxxxxxxxxx wrote: >> From: Gou Hao <gouhao@xxxxxxxxxxxxx> >> >> If 'bh' is found in cache, just return directly. >> might_sleep() is only required on slow paths. > >You're missing the point. The caller can't know whether the slow or >fast path will be taken. So it must _never_ call this function if it >cannot sleep. I see. Thank you for your explanation! :)
